condition mean min max 12pM Fe 13.053425 13.0273 13.079550000000001 58pM Fe 9.378688571428572 8.560277142857142 10.1971 233pM Fe 12.1697 12.1697 12.1697 1160pM Fe 6.737927857142857 5.64343 7.832425714285715 Dark 9.894908000000001 9.612516 10.1773 Light 6.027297692307692 6.027297692307692 6.027297692307692 Phloroglucinol 10.72168 10.72168 10.72168